chore(deps): update dependency rollup to v2.1.0 (#44)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Author: renovate[bot]

package.json

@@ -90,7 +90,7 @@
     "node-fetch": "2.6.0",
     "prettier": "1.19.1",
     "rimraf": "3.0.2",
-    "rollup": "2.0.6",
+    "rollup": "2.1.0",
     "rollup-plugin-progress": "1.1.1",
     "rollup-plugin-sizes": "1.0.1",
     "rollup-plugin-terser": "5.3.0",

yarn.lock

@@ -6355,10 +6355,10 @@ rollup-pluginutils@^2.8.2:
   dependencies:
     estree-walker "^0.6.1"
 
-rollup@2.0.6:
-  version "2.0.6"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-2.0.6.tgz#865d6bb15a28cff3429ea1dc57236013661cb9de"
-  integrity sha512-P42IlI6a/bxh52ed8hEXXe44LcHfep2f26OZybMJPN1TTQftibvQEl3CWeOmJrzqGbFxOA000QXDWO9WJaOQpA==
+rollup@2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-2.1.0.tgz#552e248e397a06b9c6db878c0564ca4ee06729c9"
+  integrity sha512-gfE1455AEazVVTJoeQtcOq/U6GSxwoj4XPSWVsuWmgIxj7sBQNLDOSA82PbdMe+cP8ql8fR1jogPFe8Wg8g4SQ==
   optionalDependencies:
     fsevents "~2.1.2"